feat(database): add hugepages support

Author: duanhongyi

Dockerfile

@@ -30,8 +30,7 @@ RUN mkdir -p $WALG_ENVDIR \
     python3 \
     ca-certificates \
     python3-pip \
-  && pip3 install envdir \
-  && sed -i -r 's/#huge_pages.*?/huge_pages = off/g' /usr/share/postgresql/postgresql.conf.sample
+  && pip3 install envdir
 
 CMD ["/docker-entrypoint.sh", "postgres"]
 EXPOSE 5432

charts/database/templates/database-deployment.yaml

@@ -35,16 +35,22 @@ spec:
           imagePullPolicy: {{.Values.imagePullPolicy}}
           ports:
             - containerPort: 5432
-{{- if or (.Values.limitsCpu) (.Values.limitsMemory)}}
+          {{- if or (.Values.limitsCpu) (.Values.limitsMemory)}}
           resources:
             limits:
-{{- if (.Values.limitsCpu) }}
+              {{- if (.Values.limitsCpu) }}
               cpu: {{.Values.limitsCpu}}
-{{- end}}
-{{- if (.Values.limitsMemory) }}
+              {{- end}}
+              {{- if (.Values.limitsMemory) }}
               memory: {{.Values.limitsMemory}}
-{{- end}}
-{{- end}}
+              {{- end}}
+              {{- if (.Values.limitsHugepages2Mi) }}
+              hugepages-2Mi: {{.Values.limitsHugepages2Mi}}
+              {{- end}}
+              {{- if (.Values.limitsHugepages1Gi) }}
+              hugepages-1Gi: {{.Values.limitsHugepages1Gi}}
+              {{- end}}
+          {{- end}}
           env:
             - name: DATABASE_STORAGE
               value: "{{.Values.global.storage}}"

charts/database/values.yaml

@@ -4,6 +4,8 @@ imageTag: "canary"
 imageRegistry: "docker.io"
 # limitsCpu: "100m"
 # limitsMemory: "50Mi"
+# limitsHugepages2Mi: 100Mi
+# limitsHugepages1Gi: 2Gi
 timeout: "1200"
 # The username and password to be used by the on-cluster database.
 # If left empty they will be generated using randAlphaNum

rootfs/docker-entrypoint.sh

@@ -26,7 +26,6 @@ if [ "$1" = 'postgres' ]; then
 	# look specifically for PG_VERSION, as it is expected in the DB dir
 	if [ ! -s "$PGDATA/PG_VERSION" ]; then
 		gosu postgres initdb
-
 		# check password first so we can output the warning before postgres
 		# messes it up
 		if [ "$POSTGRES_PASSWORD" ]; then